1: <?php
2:
3: /**
4: * This file is part of the Nette Framework (http://nette.org)
5: *
6: * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
7: *
8: * For the full copyright and license information, please view
9: * the file license.txt that was distributed with this source code.
10: */
11:
12: namespace Nette\Caching\Storages;
13:
14: use Nette;
15:
16:
17: /**
18: * Cache dummy storage.
19: *
20: * @author David Grudl
21: */
22: class DevNullStorage extends Nette\Object implements Nette\Caching\IStorage
23: {
24:
25: /**
26: * Read from cache.
27: * @param string key
28: * @return mixed|NULL
29: */
30: public function read($key)
31: {
32: }
33:
34:
35: /**
36: * Prevents item reading and writing. Lock is released by write() or remove().
37: * @param string key
38: * @return void
39: */
40: public function lock($key)
41: {
42: }
43:
44:
45: /**
46: * Writes item into the cache.
47: * @param string key
48: * @param mixed data
49: * @param array dependencies
50: * @return void
51: */
52: public function write($key, $data, array $dependencies)
53: {
54: }
55:
56:
57: /**
58: * Removes item from the cache.
59: * @param string key
60: * @return void
61: */
62: public function remove($key)
63: {
64: }
65:
66:
67: /**
68: * Removes items from the cache by conditions & garbage collector.
69: * @param array conditions
70: * @return void
71: */
72: public function clean(array $conditions)
73: {
74: }
75:
76: }
77: